Installing a web framework

To use a particular web framework, specify a startup command in your app.yaml:

runtime: ruby
env: flex
entrypoint: rails server

Installing the Google Cloud Client library

The Google Cloud Client Library for
Ruby is a client
library for accessing Google Cloud Platform services that significantly reduces
the boilerplate code you have to write. The library provides high-level API
abstractions so they're easier to understand and means you spend more time
creating code that matters to you.

To install the library locally:

gem install google-cloud

The client library can automatically handle authentication for you locally as
well by using the Google Cloud SDK: